Prologue~The Deepest Blue

"Prologue~The Deepest Blue"
Artist	KJRGL
B-side	"Monologue:Voice"
Released	September 4, 2024
Format(s)	Download, streaming
Recorded	2024
Genre	J-pop
Length	2:17
Label(s)	Sony Music Labels Inc.
Distributor(s)	Sony Music
Credits
Writer(s)	.Romi., KOTaOKI (track 1)
Composer(s)	HIRO (track 1) Castello (track 2)
Arranger(s)	HIRO (track 1) Castello (track 2)
Release chronology
Previous	N/A
Next	"Overture~The Blue Wave"

"Prologue~The Deepest Blue" is a pre-debut digital single by KJRGL. It was released on September 4, 2024 with "Prologue~The Deepest Blue" serving as the single's title track.

Background

On August 10, 2024, it was announced that they will be releasing the pre-debut digital single "Prologue~The Deepest Blue" on September 4.

Track list

1. "Prologue~The Deepest Blue" - 1:41
2. "Monologue:Voice" - 0:36

Video links

• "Prologue~The Deepest Blue" music video
  • MV teaser 1 / 2 / 3
  • MV solo teaser
    • Akira
    • Kouki
    • Dien
    • Saeron
    • Riku
    • Isaac
• "Prologue~The Deepest Blue" choreography video behind and talk with Harimu